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authorH.J. Lu <hjl.tools@gmail.com>2022-05-20 19:21:48 -0700
committerH.J. Lu <hjl.tools@gmail.com>2022-05-26 14:00:25 -0700
commitf8587a61892cbafd98ce599131bf4f103466f084 (patch)
tree25e2e6d4e2074eafb4184ffa4418de2fc484ae0c /sysdeps
parent9c66efb86fe384f77435f7e326333fb2e4e10676 (diff)
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x86-64: Ignore r_addend for R_X86_64_GLOB_DAT/R_X86_64_JUMP_SLOT
According to x86-64 psABI, r_addend should be ignored for R_X86_64_GLOB_DAT and R_X86_64_JUMP_SLOT. Since linkers always set their r_addends to 0, we can ignore their r_addends. Reviewed-by: Fangrui Song <maskray@google.com>
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/x86_64/dl-machine.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/sysdeps/x86_64/dl-machine.h b/sysdeps/x86_64/dl-machine.h
index c70af7a..7f607f6 100644
--- a/sysdeps/x86_64/dl-machine.h
+++ b/sysdeps/x86_64/dl-machine.h
@@ -325,11 +325,13 @@ and creates an unsatisfiable circular dependency.\n",
# endif
/* Set to symbol size plus addend. */
value = sym->st_size;
+ *reloc_addr = value + reloc->r_addend;
+ break;
# endif
- /* Fall through. */
+
case R_X86_64_GLOB_DAT:
case R_X86_64_JUMP_SLOT:
- *reloc_addr = value + reloc->r_addend;
+ *reloc_addr = value;
break;
case R_X86_64_DTPMOD64: